TO MAKE SPICE PASTE, peel and roughly chop the shallots or onions, garlic, ginger and galangal. Chop the chilli peppers. Place all of these in a blender and add the palm sugar, peanut oil and fish sauce. Blend until you have a fine paste. Put aside 2 tablespoons of the paste for the dressing.
TO MARINATE LAMB, rub the remainder of the spice paste over the lamb loins. Set t